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Hearth And Home 8 Inch Diameter Attic Insulation Shield for SL300 Series Vent Pipe

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8 Inch Diameter Attic Insulation Shield  For HHT SL300 Series Chimney Pipe 8 Inch | AS8

The Attic Insulation Shield is used for venting installations that use SL300 vent pipes that pass through an attic. The shield is designed to prevent insulation and debris from entering the vent area. The attic insulation shield has been laser-etched with cut lines and ceiling pitches to make field trimming easier. Attic insulation shields must be secured in place and have specified clearances from combustible material. A ceiling firestop is required and is sold separately.


The Attic Insulation Shield for the SL300 Series is an essential component used to install Type B gas vent pipes. The SL300 Series typically refers to a type of venting system used for natural gas or propane appliances such as water heaters, boilers, or furnaces. This series is designed to safely and efficiently vent combustion gases from these appliances to the outdoors.

The Attic Insulation Shield is utilized when the SL300 Series vent pipe passes through an attic space. Its primary purpose is to maintain a safe clearance between the hot vent pipe and any nearby insulation or combustible materials within the attic. This helps prevent heat transfer that could potentially cause a fire hazard.

Key features and benefits of an Attic Insulation Shield for the SL300 Series may include:

  1. Fire Safety: Creating a barrier between the hot vent pipe and insulation or other combustible materials reduces the risk of ignition and fire in the attic.
  2. Code Compliance: In many regions, building codes and safety regulations require the use of an insulation shield when passing a vent pipe through an attic or any space with insulation.
  3. Durable Construction: These shields are typically made of non-combustible materials that can withstand high temperatures without degrading or creating a safety risk.
  4. Ease of Installation: They are designed to be relatively easy to install and integrate into the venting system, typically requiring minimal additional hardware.
  5. Sizes and Compatibility: Attic Insulation Shields are available in various sizes to accommodate different SL300 Series vent pipe diameters, ensuring compatibility with a wide range of venting systems.

When installing an Attic Insulation Shield, it's essential to follow the manufacturer's instructions and local building codes to ensure proper installation and compliance with safety regulations. Additionally, it's advisable to have a qualified HVAC or plumbing professional carry out the installation to guarantee the safety and efficiency of the venting system.


  • Material: High-grade Steel
  • Type: Attic Insulation Shield
  • Vent Pipe Inner Diameter: 8"
  • Vent Pipe Outer Diameter: 10.5"
  • Length: 24"
  • Diameter: 14 1/2"
  • Use: Ducting and Venting
  • Easy to install
  • Heavy-duty construction
  • The ceiling firestop is not included
  • Provides a non-combustible barrier between the hot venting pipe and attic insulation
  • Designed to work with 8" inner diameter x 10.5" outer diameter SL300 chimney pipe
  • Clearance to combustibles mandated by appliance listing


Choosing The Perfect Venting System for Your Fireplace

To ensure security, effectiveness, and usefulness, it is crucial to select the ideal venting system for your fireplace. There are several factors to consider when selecting a venting system, including the type of fireplace, fuel source, local building codes, and your personal preferences. Here's a step-by-step guide to help you make the right choice:

Determine the Type of Fireplace:

  • Wood-Burning Fireplace: If you have a traditional wood-burning fireplace, you'll need a chimney or venting system designed to handle the combustion byproducts and smoke.
  • Gas Fireplace: Gas fireplaces can be vented through either a direct vent or a ventless (vent-free) system. Your choice will depend on local regulations and your heating needs.

Understand Venting Options:

  • Chimney: A traditional masonry or metal chimney is suitable for wood-burning fireplaces. Ensure it is in good condition and meets local codes.
  • Direct Vent: This system is commonly used for gas fireplaces. It has a sealed combustion chamber and draws fresh air from outside for combustion while expelling exhaust gases outside through a dedicated vent pipe.
  • Ventless (Vent-Free): Ventless gas fireplaces don't require a chimney or external venting. They burn gas cleanly and release heat and moisture into the room. However, they are subject to strict regulations in some areas due to air quality concerns.

Check Local Building Codes:

  • Before making a decision, check local building codes and regulations. Some areas have strict requirements for venting systems to ensure safety and air quality. Compliance with these codes is crucial.

Consider Efficiency:

  • Choose a venting system that maximizes energy efficiency. Direct vent systems are more efficient than traditional chimneys because they minimize heat loss.

Safety Considerations:

  • Safety should be a top priority. Ensure that the venting system is correctly installed and maintained to prevent carbon monoxide leaks and other hazards.

Aesthetics and Design:

  • The venting system should complement your home's design and aesthetics. It should be as unobtrusive as possible while still performing its function.

Professional Installation:

  • It's strongly recommended to have your venting system installed by a qualified professional who is familiar with local codes and regulations.


  • Regular maintenance is essential to keep your venting system working efficiently and safely. Schedule annual inspections and cleanings, especially for wood-burning chimneys.


  • Consider your budget for both the initial installation and ongoing maintenance. While ventless systems may be cheaper to install initially, they may have higher operating costs due to increased gas consumption.

Environmental Impact:

  • If you're concerned about environmental impact, consider the emissions associated with your chosen venting system. Wood-burning fireplaces, for example, can release particulate matter and other pollutants into the air.

Ultimately, your individual circumstances, such as the sort of fireplace you have, your local laws, and your own preferences for aesthetics and efficiency, will determine the ideal venting system for your fireplace. You can make a more informed choice by speaking with our experts at fireplace doors online.

A Comprehensive Guide to Buying a Fireplace Venting System

A fireplace venting system is an essential part of your fireplace that makes sure that smoke and combustion byproducts are securely removed from your home while providing a supply of fresh air for burning. Whether you're installing a new fireplace or upgrading an existing one, this comprehensive buyer's guide will help you understand the various venting options and make an informed decision.

1. Types of Fireplace Venting Systems:

There are three main types of fireplace venting systems:

  • Chimney Venting: Traditional masonry fireplaces typically have a brick or stone chimney. They rely on natural convection to draw air in and expel smoke out through the chimney. This type of venting is suitable for wood-burning fireplaces.
  • Direct Venting: This is a sealed system that draws combustion air from the outside and expels exhaust gases through a vent pipe. Direct vent fireplaces are highly efficient and can be used with various fuel types, including gas and propane.
  • Ventless or Vent-Free Venting: These fireplaces do not require a venting system, as they are designed to burn fuel cleanly enough that the combustion byproducts can be safely released into the room. They are typically gas-powered and can be installed almost anywhere.

2. Choosing the Right Type:

  • Consider Your Fuel Type: Determine whether you want a wood-burning, gas, or electric fireplace. Your fuel choice will influence the type of venting system you need.
  • Efficiency and Convenience: Direct vent and ventless fireplaces are typically more energy-efficient and easier to install than traditional chimneys. Consider your preferences for convenience and energy efficiency.

3. Sizing and Location:

  • Calculate Heating Needs: Determine the heating capacity you need based on the size of the room or area you want to heat. This will help you choose an appropriately sized fireplace and venting system.
  • Location: Decide where you want to install your fireplace. The location may impact the type of venting system you can use and the venting route.

4. Venting Materials:

  • Chimney Materials: If you're using a traditional chimney, consider the type of materials you want for its construction, such as brick, stone, or metal flue liners.
  • Vent Pipe Material: For direct vent fireplaces, the vent pipe is typically made of aluminum or stainless steel. Ensure the materials are suitable for your fuel type and meet local building codes.

5. Installation and Safety:

  • Professional Installation: Proper installation is crucial for safety and performance. Hire a certified technician or contractor experienced in fireplace venting systems.
  • Clearances: Ensure proper clearances to combustibles are maintained as per the manufacturer's guidelines and local building codes.

6. Venting Accessories:

  • Termination Caps: These protect the vent opening from weather and pests.
  • Chimney Liners: If you have a masonry chimney, consider installing a stainless steel liner to improve efficiency and safety.

7. Maintenance and Cleaning:

  • Regular Inspections: Schedule regular inspections and cleaning to ensure your venting system is functioning correctly and free from debris or blockages.

8. Legal and Safety Considerations:

  • Local Codes and Regulations: Check with your local authorities to ensure compliance with building codes and regulations regarding fireplace venting.
  • Carbon Monoxide Detectors: Install carbon monoxide detectors in your home, especially if you have a gas fireplace.

9. Budget Considerations:

  • Initial Cost: Consider both the upfront cost of the fireplace and venting system, as well as the ongoing operating costs (fuel, maintenance, etc.).

10. Aesthetics:

  • Design and Style: Choose a venting system that complements your home's aesthetic and blends well with your interior design.

Remember that safety should always be your top priority when selecting and installing a fireplace venting system. Consult with professionals and follow manufacturer guidelines and local regulations to ensure a safe and efficient installation.


Hearth & Home Technologies LLC (“HHT”) extends the following warranty for HHT gas, wood, pellet and electric hearth appliances (each a “Product” and collectively, the “Product(s)”) and certain component parts set forth in the complete downloadable PDF in the product description(“Component Part(s)”) that are purchased from a HHT authorized dealer or distributor.

WARRANTY COVERAGE: HHT warrants that the Products and their Component Parts will be free from defects in materials and workmanship for the applicable period of Warranty coverage set forth in the table found in the downloadable PDF in the product description (“Warranty Period”). If a Product or Component Parts are found to be defective in materials or workmanship during the applicable Warranty Period, HHT will, at its option, repair the applicable Component Part(s), replace the applicable Component Part(s), or refund the purchase price of the applicable Product(s). The maximum amount recoverable under this Warranty is limited to the purchase price of the Product.

This Warranty is transferable from the original purchaser to subsequent owners, but the Warranty Period will not be extended in duration or expanded in coverage for any such transfer. This Warranty is subject to conditions, exclusions, and limitations as described below.

WARRANTY PERIOD: Warranty coverage begins at the date of installation. In the case of new home constructions, Warranty coverage begins on the date of first occupancy of the dwelling or six months after the sale of the Product(s) by an independent, authorized HHT dealer or distributor, whichever occurs earlier. However, the Warranty coverage shall commence no later than 24 months following the date of Product shipment from HHT, regardless of the installation or occupancy date.

The term “Lifetime” in the downloadable PDF in the product description is defined as: 20 years from the beginning date of warranty coverage for gas appliances, 10 years from the beginning date of warranty coverage for wood and pellet appliances, and 5 years from the beginning of warranty coverage for standalone gas log sets. These time periods reflect the minimum expected useful lives of the designated Component Parts under normal operating conditions.

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Last updated on March 22nd 2024.



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